Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

One part local history, 99 parts gruesome haunted house.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

A semi-scholarly approach to sex.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

America's only nuclear missile silo open to the public.

A snapshot of the city's fascinating voodoo culture.

One of the largest crucifixes in the world stands 55 feet tall in a secluded, wooded area of northern Michigan.

Center filled with hands-on displays served as a tribute to several astronauts with connections to the state.

Two thousand artifacts from around the world collected by one woman who loved to travel.

Joe Minter is only doing the work of God in his yard, he says.

Cadillac where country's first big star was found dead.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A natural history museum with an extensive collection of bird dioramas.

A hobby born from insomnia has turned into a hangar full of objects that have been be-buttoned by the Button King.

A museum dedicated to the lovable crime couple Bonnie & Clyde, just a few miles away from the site of their early demise.

This collection honors the iconic, and proudly American lighter that just won't quit.

This museum dedicated to an oft-overlooked support industry features a surprisingly moving brass diorama of a man being saved from a sinking car.

This legendary "evil" doll has been haunting the citizens of Key West for over 100 years.

A private museum dedicated to preserving the heritage of Mardi Gras' most beloved underdog parades, open by appointment.

Home to items never before seen by the public.